Business Details
Bespoke Scandinavian Windows and Doors for UK Homes
Rationel Windows & Doors is a leading manufacturer of bespoke windows and doors rooted in Scandinavian design principles. With a commitment to craftsmanship and sustainability, we specialise in creating high-performance products that enhance the aesthetic and functional value of residential properties across the UK. Our team combines traditional techniques with modern innovation to deliver energy-efficient solutions tailored to individual client needs. Backed by a nationwide network of approved distributors, we ensure seamless project support from initial consultation to installation. Our dedication to quality has been recognised through industry awards, including the Build It Live 2024 Award for Best Casement Window.We prioritise sustainable sourcing, using responsibly harvested timber while offering aluminium-clad options for enhanced durability. Through continuous product development, we maintain our position at the forefront of architectural design, helping homeowners achieve optimal thermal efficiency and timeless elegance. Our comprehensive support resources, including technical documentation and installation guides, reflect our commitment to transparency and customer satisfaction. By focusing on the interplay of natural light and architectural form, we create products that transform living spaces and improve wellbeing. Our Secured by Design accreditation underscores our dedication to security and peace of mind for all users.
Services
Windows
Doors
Bespoke Design
Energy-Efficient Solutions
Installation Services
Highlights and features
- Award-winning casement window design (Build It Live 2024)
- Bespoke solutions tailored to individual architectural requirements
- Sustainably-sourced timber from responsibly managed forests
- Energy-efficient products meeting Passive House standards
- Nationwide network of approved distributors and installers
Associations and certifications
- Secured by Design
Services
Bespoke Windows
Our made-to-measure windows combine Scandinavian design with advanced thermal performance. Available in contemporary AURA and traditional FORMA ranges, each window is crafted from sustainably-sourced timber with optional aluminium cladding. The bespoke manufacturing process ensures perfect adaptation to architectural requirements while maintaining energy efficiency.
Security Doors
Secured by Design accredited doors offering enhanced security without compromising aesthetics. Available in modern AURA and classic FORMA styles, these doors feature multi-point locking systems and thermally efficient construction. The aluminium-clad options provide additional durability while maintaining low maintenance requirements.
Energy Solutions
Passive House certified products designed to maximise energy conservation. Our triple-glazed windows and doors incorporate advanced sealing technology and low-emissivity glass. The timber core construction provides natural insulation while meeting strict UK building regulations for thermal performance.
Installation Support
Comprehensive technical support through approved distributor network. Includes site-specific installation guidance, detailed technical documentation, and access to instructional resources. Distributors provide on-site assistance and quality assurance for both residential and commercial projects.
Sustainable Products
Environmentally conscious manufacturing using FSC-certified timber. Products feature low-VOC finishes and recyclable materials where possible. The long-lasting construction reduces replacement frequency, while aluminium-clad options offer extended maintenance intervals for reduced environmental impact.
Questions
What window types does Rationel offer?
We provide fixed light, top guided, side hung, side guided, fully reversible, tilt and turn, and shaped windows across both contemporary AURA and traditional FORMA ranges.
Are Rationel products energy efficient?
All windows and doors meet UK energy efficiency standards with options for triple glazing and advanced thermal breaks, helping reduce heating costs and improve indoor climate.
How do I get a quote?
Complete our online form with project details and we'll connect you with a local approved distributor who will provide a tailored quotation within five working days.
What security features are included?
Our products carry the Secured by Design accreditation with multi-point locking systems, reinforced frames, and impact-resistant glazing options for enhanced home security.
Can I visit a showroom?
Yes, many approved distributors have showrooms where you can view and test our windows and doors. Contact us to find your nearest location.
What warranty applies?
We offer comprehensive warranty coverage for all products. Contact your distributor for specific terms and conditions applicable to your purchase.
